// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package auth

import (
	"context"
	"crypto/x509/pkix"
)

type x509DNKeyType struct{}

var x509DNKey x509DNKeyType

// NewContextWithX509DN returns a new context with the given distinguished name.
func NewContextWithX509DN(ctx context.Context, name pkix.Name) context.Context {
	return context.WithValue(ctx, x509DNKey, name)
}

// X509DNFromContext returns the distinguished name from the given context.
func X509DNFromContext(ctx context.Context) (pkix.Name, bool) {
	if name, ok := ctx.Value(x509DNKey).(pkix.Name); ok {
		return name, true
	}
	return pkix.Name{}, false
}
